31084520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 73267200

約数和(自身を除く): 42182680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 127, 145, 211, 232, 254, 290, 422, 508, 580, 635, 844, 1016, 1055, 1160, 1270, 1688, 2110, 2540, 3683, 4220, 5080, 6119, 7366, 8440, 12238, 14732, 18415, 24476, 26797, 29464, 30595, 36830, 48952, 53594, 61190, 73660, 107188, 122380, 133985, 147320, 214376, 244760, 267970, 535940, 777113, 1071880, 1554226, 3108452, 3885565, 6216904, 7771130, 15542260, 31084520]

約数ペア:

[(1, 31084520), (2, 15542260), (4, 7771130), (5, 6216904), (8, 3885565), (10, 3108452), (20, 1554226), (29, 1071880), (40, 777113), (58, 535940), (116, 267970), (127, 244760), (145, 214376), (211, 147320), (232, 133985), (254, 122380), (290, 107188), (422, 73660), (508, 61190), (580, 53594), (635, 48952), (844, 36830), (1016, 30595), (1055, 29464), (1160, 26797), (1270, 24476), (1688, 18415), (2110, 14732), (2540, 12238), (3683, 8440), (4220, 7366), (5080, 6119)]